chemical controls host:gardenline.usask.ca

Listing 1 - 8 from 8 for chemical controls

Pine Needle Scale
... and small wasp-like parasites offer important natural controls. Heavy rains in mid-June will destroy many of the newly hatched nymphs. Chemical control: Trees should be sprayed thoroughly, ... application should be applied in early August to control any survivors. There are several chemical controls available for control of pine needle scale. They include: malathion, dimethoate (Cygon), diazinon, or ...
gardenline.usask.ca

Slugs
... used in this manner. 9. If chemical controls are favoured. Visit your local supplier of gardening goods for various slug baits or slug tapes. The chemical in both baits and tape is Metaldehyde ...
gardenline.usask.ca

Yellow-Headed Spruce Sawfly
... dish soap per gallon of water should be strong enough to offer control. Chemical sprays are effective on the yellow- headed sawfly. Permethrin is effective and is ... chemical controls are the common insecticides, malathion, diazinon, and Sevin. Malathion should only be used when temperatures are above 20 degrees C. These chemicals have a higher toxicity than permethrin. When using chemical controls ...
gardenline.usask.ca

Tree Problem Diagnosis
... insects. Healthy roots are white and fleshy. Roots that are suffering from drought stress or chemical toxicity are brown, and black roots are a sign that the tree has either been ... the tree and remove the infected areas through pruning. There are chemical controls for most serious tree pests, but those controls will also kill off the predators that are the long term control ...
gardenline.usask.ca

Bronze Birch Borer
... a leaveless dead tree top. Unfortunately, once a tree is infested with bronze birch borer, controls are largely unsuccessful. Complete death of the tree results. Prevention of infestation by maintaining tree ... other pests will prevent additional stress to birch trees. A soil drench application of the chemical (Cygon) is recommended for the birch leaf miner. See the birch leaf miner fact sheet ...
gardenline.usask.ca

Forest Tent Caterpillar
... will be attacked in wooded areas where preferred hosts are not present. Control: Biological controls There are at least 40 different species of parasites known to attack the forest ... . The bacteria may be sold under the trade names Thuricide or Dipel. Chemical control Products registered for the chemical control of the forest tent caterpillar include methoxychlor, malathion, diazinon, carbaryl, ...
gardenline.usask.ca

Starting Seeds Indoors: Part 2
... -off. Chemical control is also effective: sow the seeds and then allow the container, soil, and seeds to soak up a solution of No-Damp (oxime benzoate), a fungicide which controls damping ...
gardenline.usask.ca

Guide to Birch Trees
... leafless dead tree top. Unfortunately, once a tree is infested with bronze birch borer, controls are largely unsuccessful, and death of the tree usually results. Prevention of infestation by ... to advise homeowners of this control method. Precautions should always be taken with any chemical. Applicators of chlorpyrifos should wear an approved respirator, goggles, and rubber clothing including gloves ...
gardenline.usask.ca